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Old Apr 12, 2012, 09:17 PM
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Neil Morse's Avatar
San Francisco, CA, USA
Joined Jul 1999
6,139 Posts
ditto. You need to download the manual online.
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Old Apr 12, 2012, 11:21 PM
Fly Fast!
dbgood's Avatar
scotia ,NY
Joined Jul 2008
627 Posts
Blue Osiris 47

Hi Guys,
I just opened up the box of my new Blue Osiris,wow its really nice,
best i had by far in my many years of flying.
Also its 47x47,and its a really pretty good size plane,i
dont think its on the small side at all.. Everyone agree also?
Plus it has a really deep fuse what looks really nice.
..I put it upto my Pulse 60,
and yes the Pulse is bigger,but the Osiris does appear alot
bigger then a 40size plane!!
DB
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Last edited by dbgood; Apr 13, 2012 at 01:31 AM.
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Old Apr 15, 2012, 07:48 PM
Cant fly enough
Greg Beshouri's Avatar
USA, CA, Berkeley
Joined Dec 2003
1,833 Posts
Flew the Osiris finally.

Wow. I was doing rolls and knife edge passes on the second circuit. The plane felt totally comfortable, like the Aspera but better. The rudder in particular has amazing authority.

Used the AXI 2820/10 on 3s1p 3700 from my Aspera. AUW was 48.5 oz. Flew around fine at half throttle. Flight times are at least 6 minutes.

Definitely a winner!
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Last edited by Greg Beshouri; Apr 15, 2012 at 07:54 PM.
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Old Apr 16, 2012, 01:01 PM
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LanceMc's Avatar
Delta BC
Joined Jul 2008
361 Posts
Quote:
Originally Posted by Greg Beshouri View Post
Flew the Osiris finally.

Wow. I was doing rolls and knife edge passes on the second circuit. The plane felt totally comfortable, like the Aspera but better. The rudder in particular has amazing authority.

Used the AXI 2820/10 on 3s1p 3700 from my Aspera. AUW was 48.5 oz. Flew around fine at half throttle. Flight times are at least 6 minutes.

Definitely a winner!
Congrats with the maiden. Just curious, what KV is your AXI? Also what prop are you using?

Lance
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Old Apr 16, 2012, 05:18 PM
Cant fly enough
Greg Beshouri's Avatar
USA, CA, Berkeley
Joined Dec 2003
1,833 Posts
Hi Lance,

It is a 12x6 prop. The KV is 1200.

So that is about like running a 900 kv motor on 4s.

I had previously used an 11x7 on the Aspera but found it to be too fast.
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Old Apr 17, 2012, 11:17 PM
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LanceMc's Avatar
Delta BC
Joined Jul 2008
361 Posts
Quote:
Originally Posted by Greg Beshouri View Post
Hi Lance,

It is a 12x6 prop. The KV is 1200.

So that is about like running a 900 kv motor on 4s.

I had previously used an 11x7 on the Aspera but found it to be too fast.
Thanks Greg. I see Rob at ADC hobbies has a 3s option listed. The Hacker he lists has a KV of 1000. Has anyone used 3s with the 130 omega? I have 3 3s bats from another plane that are only 5g heavier than my 4s bats that I use with the Osiris. What prop would be best for 3s and the Omega 130?
Thanks
Lance
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Old Apr 18, 2012, 03:12 PM
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MaddSkillz's Avatar
United States, OK, Tulsa
Joined Jun 2011
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Old Apr 18, 2012, 03:50 PM
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Jim Lee's Avatar
United States, WA, Port Orchard
Joined Apr 2007
1,008 Posts
Quote:
Originally Posted by LanceMc View Post
Thanks Greg. I see Rob at ADC hobbies has a 3s option listed. The Hacker he lists has a KV of 1000. Has anyone used 3s with the 130 omega? I have 3 3s bats from another plane that are only 5g heavier than my 4s bats that I use with the Osiris. What prop would be best for 3s and the Omega 130?
Thanks
Lance
LanceMc, I would try a 13x6.5 Or a 14x7 on the 3s set-up You should get a little over 500 Watts.

J
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Old Apr 18, 2012, 06:10 PM
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LanceMc's Avatar
Delta BC
Joined Jul 2008
361 Posts
Quote:
Originally Posted by Jim Lee View Post
LanceMc, I would try a 13x6.5 Or a 14x7 on the 3s set-up You should get a little over 500 Watts.

J
Thanks Jim.

This will allow me to have 7 flights per flying day with the Osiris.
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Old Apr 20, 2012, 02:42 PM
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Carl Petersen's Avatar
United States, AZ, Quartzsite
Joined Mar 2002
1,630 Posts
Need some trimming advice. KE with the left wing down pulls toward the canopy while right wing down flies nice and straight .
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Old Apr 20, 2012, 03:40 PM
scratch-built
Jim Lee's Avatar
United States, WA, Port Orchard
Joined Apr 2007
1,008 Posts
Quote:
Originally Posted by Carl Petersen View Post
Need some trimming advice. KE with the left wing down pulls toward the canopy while right wing down flies nice and straight .
Assuming that you have he model properly trimmed, ( C/G...Dynamic Balance..Thrust Angles... and Differential) You can try moving the c/g aft or mix down elevator with rudder, the third thing would be to increase wing Incidence, which you can't do with a fixed wing aircraft such as the Osiris. If these don't solve your problem, Then Someone with more experience than I, Will have to help you.

If you haven't already read this Information by Peter Goldsmith, I would Whole Heartedly recommend it.

http://www.rcpropbuster.com/download...20Trimming.pdf

J
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Old Apr 20, 2012, 05:16 PM
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Carl Petersen's Avatar
United States, AZ, Quartzsite
Joined Mar 2002
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Thanks Jim for the link - very informative.

I was at the point of mixing out the pull forward the canopy on the port side but I'll go back and check everything before doing that. I was just curious if anyone else had a similar issue. If not then it must be something in my plane.
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Old Apr 20, 2012, 06:49 PM
scratch-built
Jim Lee's Avatar
United States, WA, Port Orchard
Joined Apr 2007
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Quote:
Originally Posted by Carl Petersen View Post
Thanks Jim for the link - very informative.

I was at the point of mixing out the pull forward the canopy on the port side but I'll go back and check everything before doing that. I was just curious if anyone else had a similar issue. If not then it must be something in my plane.
I don't have enough pull on either side on my 47" Osiris to worry about it. I consider it dead on. My 62" Osiris does have some pull to the canopy, But I'm as far aft with the c/g as I can get, So I just used a mix to correct it.

I'm a old school pattern flyer, I learned to fly pattern in the 60's and that was before computer radio's. So I trim The airplane to the best of my ability and then either fly it that way or now with the computer aided Tx's I use a mix, But only after I've tried every thing else first.

J
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Old Apr 20, 2012, 07:10 PM
Advocating for RC Aviation
USA, NJ, Phillipsburg
Joined Jul 2010
1,390 Posts
Nothing wrong with a little mixing to complete the trimming on an ARF. Nothing to be ashamed of or avoid. Lots of excellent pilots use their radio's capabilities well this way.
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Old Apr 20, 2012, 08:11 PM
scratch-built
Jim Lee's Avatar
United States, WA, Port Orchard
Joined Apr 2007
1,008 Posts
Quote:
Originally Posted by danamania View Post
Nothing wrong with a little mixing to complete the trimming on an ARF. Nothing to be ashamed of or avoid. Lots of excellent pilots use their radio's capabilities well this way.
Mixing for me is the last option, I prefer to trim out the plane as best as I can first.

But that's just me. I learned to fly before there was computer radio's and I tend to stick to what I know.

I know that a lot of fliers use mixes and I use them as well, But not before the plane is trimmed out to the best of my ability. It's just the way I've always done it.

J
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